/**
 * 权限控制
 */

import NProgress from 'nprogress'
import router, { findFirstValidRoute } from './router'
import 'nprogress/nprogress.css'
import { isExternal } from './utils/validate'
import useUserStore from './stores/modules/user'
import { INDEX_ROUTE, INDEX_ROUTE_NAME } from './router/routes'
import { PageEnum } from './enums/pageEnum'
import useTabsStore from './stores/modules/multipleTabs'
import { clearAuthInfo } from './utils/auth'
import config from './config'

// 动态添加路由-使用递归进行调整-（fix: 修复之前超过3级菜单导致使用keep-alive功能无效问题
const addRoutesRecursively = (routes: any, parentPath = '') => {
  try {
    routes.forEach((route: any) => {
      // 如果路由是外部链接，则不添加
      if (isExternal(route.path)) {
        return
      }

      // 拼接父路由路径和当前路由路径
      const fullPath = parentPath + route.path

      // 创建路由对象，确保每个路由都有唯一的名称
      const routerEntry = {
        ...route,
        path: fullPath,
        name: route.name || fullPath.replace(/\//g, '_').replace('_', '') // 替换斜杠为下划线，生成唯一名称
      }

      // 添加路由
      if (!route.children) {
        router.addRoute(INDEX_ROUTE_NAME, routerEntry)
      } else {
        router.addRoute(routerEntry)
      }

      // 递归处理子路由
      if (route.children && route.children.length > 0) {
        addRoutesRecursively(route.children, fullPath + '/')
      }
    })
  } catch (e) {
    console.error('Error adding routes:', e)
  }
}

// NProgress配置
NProgress.configure({ showSpinner: false })

const loginPath = PageEnum.LOGIN
const defaultPath = PageEnum.INDEX
// 免登录白名单
const whiteList: string[] = [PageEnum.LOGIN, PageEnum.ERROR_403]
router.beforeEach(async (to, from, next) => {
  // 开始 Progress Bar
  NProgress.start()
  document.title = to.meta.title ?? config.title
  const userStore = useUserStore()
  const tabsStore = useTabsStore()
  if (whiteList.includes(to.path)) {
    // 在免登录白名单，直接进入
    next()
  } else if (userStore.token) {
    // 获取用户信息
    const hasGetUserInfo = Object.keys(userStore.userInfo).length !== 0
    if (hasGetUserInfo) {
      if (to.path === loginPath) {
        next({ path: defaultPath })
      } else {
        next()
      }
    } else {
      try {
        await userStore.getUserInfo()
        const routes = userStore.routes
        // 找到第一个有效路由
        const routeName = findFirstValidRoute(routes)
        // 没有有效路由跳转到403页面
        if (!routeName) {
          clearAuthInfo()
          next(PageEnum.ERROR_403)
          return
        }
        tabsStore.setRouteName(routeName!)
        INDEX_ROUTE.redirect = { name: routeName }

        // 动态添加index路由
        router.addRoute(INDEX_ROUTE)
        // 动态添加其余路由
        addRoutesRecursively(routes)
        next({ ...to, replace: true })
      } catch (err) {
        clearAuthInfo()
        next({ path: loginPath, query: { redirect: to.fullPath } })
      }
    }
  } else {
    next({ path: loginPath, query: { redirect: to.fullPath } })
  }
})

router.afterEach(() => {
  NProgress.done()
})
